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Finding the Fourth Proportional to 29,214.80, 43,771.80 and 13,600.40

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Solution

The fourth proportional to 29,214.80, 43,771.80 and 13,600.40 is: 20,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,214.80 : 43,771.80 = 13,600.40 : x
  2. Step 2: Convert to fraction form
    29,214.80/43,771.80 = 13,600.40/x
  3. Step 3: Cross multiply
    29,214.80x = 43,771.80 × 13,600.40
  4. Step 4: Simplify right side
    29,214.80x = 595,313,988.72
  5. Step 5: Solve for x
    x = 595,313,988.72/29,214.80
  6. Step 6: Final answer
    x = 20,377.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.